23302204921 has 2 divisors, whose sum is σ = 23302204922. Its totient is φ = 23302204920.

The previous prime is 23302204883. The next prime is 23302204999. The reversal of 23302204921 is 12940220332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13134306025 + 10167898896 = 114605^2 + 100836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23302204921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23302204921.

It is not a weakly prime, because it can be changed into another prime (23302204421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11651102460 + 11651102461.

It is an arithmetic number, because the mean of its divisors is an integer number (11651102461).

Almost surely, 2^23302204921 is an apocalyptic number.

It is an amenable number.

23302204921 is a deficient number, since it is larger than the sum of its proper divisors (1).

23302204921 is an equidigital number, since it uses as much as digits as its factorization.

23302204921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 23302204921 in words is "twenty-three billion, three hundred two million, two hundred four thousand, nine hundred twenty-one".